/*
 * Copyright 2021 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.kie.kogito.taskassigning.resource;

import javax.enterprise.context.ApplicationScoped;
import javax.inject.Inject;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;

import org.kie.kogito.taskassigning.core.model.TaskAssigningSolution;
import org.kie.kogito.taskassigning.service.ServiceStatus;
import org.kie.kogito.taskassigning.service.ServiceStatusInfo;
import org.kie.kogito.taskassigning.service.TaskAssigningException;
import org.kie.kogito.taskassigning.service.TaskAssigningService;
import org.kie.kogito.taskassigning.service.TaskAssigningServiceContext;
import org.kie.kogito.taskassigning.util.JsonUtils;

@Path("/task-assigning")
@ApplicationScoped
public class TaskAssigningResource {

    @Inject
    TaskAssigningService service;

    @GET
    @Path("/service/status")
    @Produces(MediaType.APPLICATION_JSON)
    public String getServiceStatus() {
        TaskAssigningServiceContext context = service.getContext();
        ServiceStatusInfo statusInfo = context != null ? context.getStatusInfo() : new ServiceStatusInfo(ServiceStatus.UNKNOWN);
        try {
            return JsonUtils.OBJECT_MAPPER.writeValueAsString(statusInfo);
        } catch (Exception e) {
            throw new TaskAssigningException(e.getMessage(), e);
        }
    }

    @GET
    @Path("/service/solution")
    @Produces(MediaType.APPLICATION_JSON)
    public TaskAssigningSolution getSolution() {
        return service.getCurrentSolution();
    }
}
